1. Council Directive 93/85 of 4 October 1993 on the control of potato ring rot;EU;Official Journal of the European Communities,1993
2. Council Directive 98/57 of 20 July 1998 on the control of Ralstonia solanacearum;EU;Official Journal of the European Communities,1998
3. Council Directive 2007/33/EC of 11 June 2007 on the control of potato cyst nematodes and repealing Directive 69/465/EEC;EU;Official Journal of the European Communities,2007
4. Identification of potato cyst nematode species Globodera rostochiensis and G. pallida by PCR using specific primer combinations;Fullaondo;Nematology,1999